﻿/*---------------------------------------------------------------------------------
-----------------***DaLianQianYi***-----------------------
-----------------作者：大连仟亿科技------------------------------------------------------
-----------------联系作者：www.qianyikeji.com----------------------------------
-----------------时间：2018/8/6 18:06:36------------------------------------------
----------------------------------------------------------------------------------*/


using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.Reflection;
using System.Text;
using Donal.Xms.Common;
using Donal.Xms.DBUtility;

namespace Donal.Xms.DAL
{
    /// <summary>
    /// 数据访问类
    /// </summary>
    public partial class actions
    {
        private string databaseprefix; //数据库表名前缀
        public actions(string _databaseprefix)
        {
            databaseprefix = _databaseprefix;
        }

        #region 基本方法================================
        /// <summary>
        /// 是否存在该记录
        /// </summary>
        public bool Exists(int id)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) from  " + databaseprefix + "actions");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
                        new SqlParameter("@id", SqlDbType.Int,10)};
            parameters[0].Value = id;

            return DbHelperSQL.Exists(strSql.ToString(), parameters);
        }

        /// <summary>
        /// 增加一条数据
        /// </summary>
        public int Add(Model.actions model)
        {
            using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    try
                    {
                        #region 添加主表
                        StringBuilder strSql = new StringBuilder();
                        StringBuilder str1 = new StringBuilder();//数据字段
                        StringBuilder str2 = new StringBuilder();//数据参数
                                                                 //利用反射获得属性的所有公共属性
                        PropertyInfo[] pros = model.GetType().GetProperties();
                        List<SqlParameter> paras = new List<SqlParameter>();
                        strSql.Append("insert into " + databaseprefix + "actions(");
                        foreach (PropertyInfo pi in pros)
                        {
                            //如果不是主键则追加sql字符串
                            if (!pi.Name.Equals("id") && !typeof(System.Collections.IList).IsAssignableFrom(pi.PropertyType))
                            {
                                //判断属性值是否为空
                                if (pi.GetValue(model, null) != null)
                                {
                                    str1.Append(pi.Name + ",");//拼接字段
                                    str2.Append("@" + pi.Name + ",");//声明参数
                                    paras.Add(new SqlParameter("@" + pi.Name, pi.GetValue(model, null)));//对参数赋值
                                }
                            }
                        }
                        strSql.Append(str1.ToString().Trim(','));
                        strSql.Append(") values (");
                        strSql.Append(str2.ToString().Trim(','));
                        strSql.Append(") ");
                        strSql.Append(";select @@IDENTITY;");

                        object obj = DbHelperSQL.GetSingle(conn, trans, strSql.ToString(), paras.ToArray());//带事务
                        model.id = Convert.ToInt32(obj);//插入后赋值
                        #endregion

                        #region 添加赠送优惠券====================
                        if (model.coupons != null && model.coupons.Count > 0)
                        {
                            foreach (Model.action_coupons modelt in model.coupons)
                            {
                                modelt.action_id = model.id;
                                new DAL.action_coupons(databaseprefix).Add(conn, trans, modelt);
                            }
                        }
                        #endregion

                        trans.Commit();
                    }
                    catch
                    {
                        trans.Rollback();
                        conn.Close();
                        return 0;
                    }
                }
                conn.Close();
                return model.id;
            }
        }

        /// <summary>
        /// 更新一条数据
        /// </summary>
        public bool Update(Model.actions model)
        {

            using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    try
                    {
                        #region 更新主表
                        StringBuilder strSql = new StringBuilder();
                        StringBuilder str1 = new StringBuilder();
                        //利用反射获得属性的所有公共属性
                        PropertyInfo[] pros = model.GetType().GetProperties();
                        List<SqlParameter> paras = new List<SqlParameter>();
                        strSql.Append("update  " + databaseprefix + "actions set ");
                        foreach (PropertyInfo pi in pros)
                        {
                            //如果不是主键则追加sql字符串
                            if (!pi.Name.Equals("id") && !typeof(System.Collections.IList).IsAssignableFrom(pi.PropertyType))
                            {
                                //判断属性值是否为空
                                if (pi.GetValue(model, null) != null)
                                {
                                    str1.Append(pi.Name + "=@" + pi.Name + ",");//声明参数
                                    paras.Add(new SqlParameter("@" + pi.Name, pi.GetValue(model, null)));//对参数赋值
                                }
                            }
                        }
                        strSql.Append(str1.ToString().Trim(','));
                        strSql.Append(" where id=@id ");
                        paras.Add(new SqlParameter("@id", model.id));

                        DbHelperSQL.ExecuteSql(conn, trans, strSql.ToString(), paras.ToArray());

                        #endregion

                        #region 更新赠送优惠券表

                        action_coupons action_Coupons = new action_coupons(databaseprefix);

                        action_Coupons.Delete(conn, trans, model.id);

                        if (model.coupons != null && model.coupons.Count > 0)
                        {
                            foreach (Model.action_coupons m in model.coupons)
                            {
                                action_Coupons.Add(conn, trans, m);
                            }
                        }
                        #endregion

                        trans.Commit();
                    }
                    catch
                    {
                        trans.Rollback();
                        conn.Close();
                        return false;
                    }
                }
                conn.Close();
                return true;
            }

        }

        /// <summary>
        /// 删除一条数据
        /// </summary>
        public bool Delete(int id)
        {
            using (SqlConnection conn = new SqlConnection(DbHelperSQL.connectionString))
            {
                conn.Open();
                using (SqlTransaction trans = conn.BeginTransaction())
                {
                    try
                    {
                        StringBuilder strSql1 = new StringBuilder();
                        strSql1.Append("delete from  " + databaseprefix + "action_coupons ");
                        strSql1.Append(" where action_id=@id");
                        SqlParameter[] parameters1 = {
                        new SqlParameter("@id", SqlDbType.Int,10)};
                        parameters1[0].Value = id;

                        DbHelperSQL.ExecuteSql(conn, trans, strSql1.ToString(), parameters1);

                        StringBuilder strSql = new StringBuilder();
                        strSql.Append("delete from  " + databaseprefix + "actions ");
                        strSql.Append(" where id=@id");
                        SqlParameter[] parameters = {
                        new SqlParameter("@id", SqlDbType.Int,10)};
                        parameters[0].Value = id;

                        DbHelperSQL.ExecuteSql(conn, trans, strSql.ToString(), parameters);

                        trans.Commit();
                    }
                    catch
                    {
                        trans.Rollback();
                        conn.Close();
                        return false;
                    }
                }
                conn.Close();
                return true;
            }
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public Model.actions GetModel(int id)
        {
            StringBuilder strSql = new StringBuilder();
            StringBuilder str1 = new StringBuilder();
            Model.actions model = new Model.actions();
            //利用反射获得属性的所有公共属性
            PropertyInfo[] pros = model.GetType().GetProperties();
            foreach (PropertyInfo p in pros)
            {
                if (!typeof(System.Collections.IList).IsAssignableFrom(p.PropertyType))
                {
                    str1.Append(p.Name + ",");//拼接字段
                }
            }
            strSql.Append("select top 1 " + str1.ToString().Trim(','));
            strSql.Append(" from " + databaseprefix + "actions");
            strSql.Append(" where id=@id");
            SqlParameter[] parameters = {
                        new SqlParameter("@id", SqlDbType.Int,10)};
            parameters[0].Value = id;
            DataTable dt = DbHelperSQL.Query(strSql.ToString(), parameters).Tables[0];

            if (dt.Rows.Count > 0)
            {
                return DataRowToModel(dt.Rows[0]);
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 得到一个对象实体
        /// </summary>
        public List<Model.actions> GetModelList(SqlConnection conn, SqlTransaction trans, string strWhere)
        {
            DataSet ds = DbHelperSQL.Query(conn, trans, "select * from " + databaseprefix + "actions where " + strWhere + " order by conditions_amount desc");

            List<Model.actions> actions = new List<Model.actions>();

            if (Utils.CheckDataSet(ds))
            {
                foreach (DataRow dr in ds.Tables[0].Rows)
                {
                    actions.Add(DataRowToModel(dr));
                }

                return actions;
            }
            else
            {
                return null;
            }
        }

        /// <summary>
        /// 获得前几行数据
        /// </summary>
        public DataSet GetList(int Top, string strWhere, string filedOrder)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select ");
            if (Top > 0)
            {
                strSql.Append(" top " + Top.ToString());
            }
            strSql.Append(" * ");
            strSql.Append(" FROM " + databaseprefix + "actions");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            strSql.Append(" order by " + filedOrder);
            return DbHelperSQL.Query(strSql.ToString());
        }

        /// <summary>
        /// 获得查询分页数据
        /// </summary>
        public DataSet GetList(int pageSize, int pageIndex, string strWhere, string filedOrder, out int recordCount)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select * FROM " + databaseprefix + "actions");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            recordCount = Convert.ToInt32(DbHelperSQL.GetSingle(PagingHelper.CreateCountingSql(strSql.ToString())));
            return DbHelperSQL.Query(PagingHelper.CreatePagingSql(recordCount, pageSize, pageIndex, strSql.ToString(), filedOrder));
        }
        #endregion

        #region 扩展方法================================
        /// <summary>
        /// 返回指定列
        /// </summary>
        public string GetValue(int id, string fileName)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select top 1 " + fileName + " from " + databaseprefix + "actions");
            strSql.Append(" where id=" + id);
            string title = Convert.ToString(DbHelperSQL.GetSingle(strSql.ToString()));
            if (string.IsNullOrEmpty(title))
            {
                return "";
            }
            return title;
        }

        /// <summary>
        /// 修改一列数据
        /// </summary>
        public bool UpdateField(int id, string strValue)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("update " + databaseprefix + "actions set " + strValue);
            strSql.Append(" where id=" + id);
            return DbHelperSQL.ExecuteSql(strSql.ToString()) > 0;
        }

        /// <summary>
        /// 将对象转换实体
        /// </summary>
        public Model.actions DataRowToModel(DataRow row)
        {
            Model.actions model = new Model.actions();
            if (row != null)
            {
                //利用反射获得属性的所有公共属性
                Type modelType = model.GetType();
                for (int i = 0; i < row.Table.Columns.Count; i++)
                {
                    //查找实体是否存在列表相同的公共属性
                    PropertyInfo proInfo = modelType.GetProperty(row.Table.Columns[i].ColumnName);
                    if (proInfo != null && row[i] != DBNull.Value)
                    {
                        proInfo.SetValue(model, row[i], null);//用索引值设置属性值
                    }
                }

                model.coupons = new action_coupons(databaseprefix).GetList(model.id);


            }
            return model;
        }
        #endregion
    }
}

